#include<bits/stdc++.h>

using namespace std;

int main() {
    // short/int/long long/float/double  numeric
    //char /char[]/string
    cour << 1.0 << endl;//double
    cout << 1.0f << endl;
    cout << 1LL << endl;
    cout << 1 << endl;//int
    cout << '1' << endl;//char
    cout << "" << endl;//cstring
    return 0;
}
